Contains papers of the following: Stewart of Urrard, 1753-1777; Various persons named Stewart, Steuart, or Stuart, 1686-1794, undated, including Professor George Stuart, 1760-1777 (folios 102-112), Gilbert Stewart, historian, 1702-1718 (folios 113-117), James Stewart, in camp at Montreal, describing conditions, 1760 (folios 171-174), John Steuart, gardener at Delvine, on his work, 1773-1776 (folios 197-253), and an Appendix of writers of single letters, some of whom are represented in previous volumes.